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1414721 = 71119967
BaseRepresentation
bin101011001011001000001
32122212122002
411121121001
5330232341
650153345
715011360
oct5313101
92585562
101414721
118869a0
12582855
133a6c19
1428b7d7
151ce29b
hex159641

1414721 has 16 divisors (see below), whose sum is σ = 1858560. Its totient is φ = 1043280.

The previous prime is 1414709. The next prime is 1414733. The reversal of 1414721 is 1274141.

Adding to 1414721 its reverse (1274141), we get a palindrome (2688862).

It is an interprime number because it is at equal distance from previous prime (1414709) and next prime (1414733).

It is a de Polignac number, because none of the positive numbers 2k-1414721 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 1414693 and 1414702.

It is not an unprimeable number, because it can be changed into a prime (1414741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 980 + ... + 1946.

It is an arithmetic number, because the mean of its divisors is an integer number (116160).

21414721 is an apocalyptic number.

1414721 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1414721 is a deficient number, since it is larger than the sum of its proper divisors (443839).

1414721 is a wasteful number, since it uses less digits than its factorization.

1414721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004.

The product of its digits is 224, while the sum is 20.

The square root of 1414721 is about 1189.4204471086. The cubic root of 1414721 is about 112.2596283426.

The spelling of 1414721 in words is "one million, four hundred fourteen thousand, seven hundred twenty-one".

Divisors: 1 7 11 19 77 133 209 967 1463 6769 10637 18373 74459 128611 202103 1414721